/Engine/Plugins/VirtualProduction/CameraCalibrationCore/Source/CameraCalibrationCore/Public/CameraCalibrationSettings.h
Get the override MaterialInterface associated with the input overlay name
[UMaterialInterface](API\Runtime\Engine\Materials\UMaterialInterface) * GetCalibrationOverlayMaterialOverride ( const [FName](API\Runtime\Core\UObject\FName) OverlayName ) const